 |
| Menge: | |
|---|---|
DY4187
123-31-9
204-617-8
C6H6O2
hydroquinone
| Index Name | Specifications |
| Appearance | Off -white needle crystalline |
| Assay | 99.0 to 101% Min |
| Melting Point | 171 to 175 deg C |
| Residue on Ignition | 0.1% Max |
| Heavy Metal (as Pb) | 0.002% Max |
| Fe | 0.002% Max |
| Solution | Transparent , no insoluble except slight flocky precipitate |
| Index Name | Specifications |
| Appearance | Off -white needle crystalline |
| Assay | 99.0 to 101% Min |
| Melting Point | 171 to 175 deg C |
| Residue on Ignition | 0.1% Max |
| Heavy Metal (as Pb) | 0.002% Max |
| Fe | 0.002% Max |
| Solution | Transparent , no insoluble except slight flocky precipitate |